A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts for steam turbines
NSN 6150-01-581-2376
NSN 5950-00-436-2052
NSN 5910-01-271-3282
NSN 5945-00-185-4815
NSN 5905-00-528-9975
NSN 6110-01-089-7570
NSN 6620-00-456-0404
NSN 5950-00-659-5453
NSN 5925-00-409-1731
NSN 6620-00-186-8220
NSN 5835-01-442-6482
NSN 6320-01-046-5228